512123450013 has 36 divisors (see below), whose sum is σ = 851538007008. Its totient is φ = 290535942960.

The previous prime is 512123450009. The next prime is 512123450017. The reversal of 512123450013 is 310054321215.

512123450013 is a `hidden beast` number, since 5 + 121 + 2 + 34 + 500 + 1 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (512123450009) and next prime (512123450017).

It is not a de Polignac number, because 512123450013 - 2² = 512123450009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512123450017) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1006858 + ... + 1427588.

It is an arithmetic number, because the mean of its divisors is an integer number (23653833528).

Almost surely, 2^512123450013 is an apocalyptic number.

It is an amenable number.

512123450013 is a deficient number, since it is larger than the sum of its proper divisors (339414556995).

512123450013 is a wasteful number, since it uses less digits than its factorization.

512123450013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421022 (or 420880 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 512123450013 its reverse (310054321215), we get a palindrome (822177771228).

The spelling of 512123450013 in words is "five hundred twelve billion, one hundred twenty-three million, four hundred fifty thousand, thirteen".